mash: Remove ash::ShelfGestureHandler and ui::ET_GESTURE_WIN8_EDGE_SWIPE

ui/events/test/event_generator.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/test/event_generator.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 279 matching lines @@
 void EventGenerator::PressMoveAndReleaseTouchTo(const gfx::Point& point) {
   PressTouch();
   MoveTouch(point);
   ReleaseTouch();
 }
 
 void EventGenerator::PressMoveAndReleaseTouchToCenterOf(EventTarget* window) {
   PressMoveAndReleaseTouchTo(CenterOfWindow(window));
 }
 
-void EventGenerator::GestureEdgeSwipe() {
-  GestureEventDetails details(ET_GESTURE_WIN8_EDGE_SWIPE);
-  details.set_device_type(GestureDeviceType::DEVICE_TOUCHSCREEN);
-  GestureEvent gesture(0, 0, 0, ui::EventTimeForNow(), details);
-  Dispatch(&gesture);
-}
-
 void EventGenerator::GestureTapAt(const gfx::Point& location) {
   const int kTouchId = 2;
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, location, kTouchId,
                        ui::EventTimeForNow());
   Dispatch(&press);
 
   ui::TouchEvent release(
       ui::ET_TOUCH_RELEASED, location, kTouchId,
       press.time_stamp() + base::TimeDelta::FromMilliseconds(50));
   Dispatch(&release);
@@ skipping 357 matching lines @@
   return default_delegate;
 }
 
 EventGeneratorDelegate* EventGenerator::delegate() {
   return const_cast<EventGeneratorDelegate*>(
       const_cast<const EventGenerator*>(this)->delegate());
 }
 
 }  // namespace test
 }  // namespace ui